nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-21 09:49:36 +01:00
Code Activity

Build a minimized Nix with MinGW

Browse source 
At this point many features are stripped out, but this works:

- Can run libnix{util,store,expr} unit tests
- Can run some Nix commands

Co-Authored-By volth <volth@volth.com>
Co-Authored-By Brian McKenna <brian@brianmckenna.org>
This commit is contained in:
John Ericson 2023-09-02 17:35:16 -04:00
parent 2248a3f545
commit 8433027e35
111 changed files with 1162 additions and 140 deletions
Download patch file Download diff file Expand all files Collapse all files

81
src/libstore/build/drv-output-substitution-goal.hh
View file

@ -1,81 +0,0 @@
#pragma once
///@file
#include "store-api.hh"
#include "goal.hh"
#include "realisation.hh"
#include <thread>
#include <future>
namespace nix {
class Worker;
/**
* Substitution of a derivation output.
* This is done in three steps:
* 1. Fetch the output info from a substituter
* 2. Substitute the corresponding output path
* 3. Register the output info
*/
class DrvOutputSubstitutionGoal : public Goal {
/**
* The drv output we're trying to substitute
*/
DrvOutput id;
/**
* The realisation corresponding to the given output id.
* Will be filled once we can get it.
*/
std::shared_ptr<const Realisation> outputInfo;
/**
* The remaining substituters.
*/
std::list<ref<Store>> subs;
/**
* The current substituter.
*/
std::shared_ptr<Store> sub;
struct DownloadState
{
Pipe outPipe;
std::promise<std::shared_ptr<const Realisation>> promise;
};
std::shared_ptr<DownloadState> downloadState;
/**
* Whether a substituter failed.
*/
bool substituterFailed = false;
public:
DrvOutputSubstitutionGoal(const DrvOutput& id, Worker & worker, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
typedef void (DrvOutputSubstitutionGoal::*GoalState)();
GoalState state;
void init();
void tryNext();
void realisationFetched();
void outPathValid();
void finished();
void timedOut(Error && ex) override { abort(); };
std::string key() override;
void work() override;
void handleEOF(int fd) override;
JobCategory jobCategory() const override {
return JobCategory::Substitution;
};
};
}